fix(crystal): return early if value is nil

Author: n-rodriguez

modules/openapi-generator/src/main/resources/crystal/base_object.mustache

@@ -25,6 +25,8 @@
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/another_property_name_mapping.cr

@@ -95,6 +95,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/api_response.cr

@@ -91,6 +91,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/category.cr

@@ -103,6 +103,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/format_test.cr

@@ -353,6 +353,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/order.cr

@@ -161,6 +161,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/pet.cr

@@ -162,6 +162,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/tag.cr

@@ -86,6 +86,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }

samples/client/petstore/crystal/src/petstore/models/user.cr

@@ -117,6 +117,8 @@ module Petstore
     # @param [Object] value Any valid value
     # @return [Hash] Returns the value in the form of hash
     private def _to_h(value)
+      return nil if value.nil?
+
       if value.is_a?(Hash)
         hash = NetboxClient::RecursiveHash.new
         value.each { |k, v| hash[k] = _to_h(v) }